Traffic signal controller



g- 1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 20 Sheets-Sheet l 43/ INVENTOR 'PRocEEo one EXTENSION INTERVAL-POSITION 2 WALTER JEFFERS BY D. W

HIS ATTORNEY.

Aug. 25, 1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4. 1960 20 Sheets-Sheet 2 INVENTOR'.

PROCEED ONE EXTENSION INTERVAL-POSITION 2- WALTER M. JEFFERS, DETECTOR TWO ACTUATED BY 0. Mfiar uo- H IS ATTORN EY.

g- 1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 20 Sheets-Sheet 3 232 356 see I INVENTORZ CLEARANCE ONE INTERVAL- RUNNING FROM WALTER JEFFERS POSITION 2 T0 3 BY 1 WM HIS'ATTORNEY.

1954 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4. 1960 20 eats-Sheet 4 FIG-4 INVENTOR CLEARANCE ONE INTERVAL- POSITION 3 WALTER M JEFFERS;

BY 1). WM/m H IS ATTORN EY.

1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 ets-Sheet 5 FIG-5 IIO INVENTOR'.

PROCEED Two mrruu. INTERVAL-POSITION 4 WALTER M. JEFFERS,

BY a. wimp HIS ATTORNEY.

Aug. 25, 1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 ts-Sheet 6 INVENTOR PROCEED TWO EXTENSION INTERVAL-POSITION s WALTER M. JEFFERS,

HIS ATTORNEY.

Aug. 25, 1964 w. M. JEFFERS 3, 6,

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 eets-Shee't 7 FIG] INVENTOR nocsso TWO EXTENSION INTERVAL-POSITiON 5 WALTER JEFFERS' DETECTOR THREE ACTUATED BY V ,a HIS ATTORNEY.

Aug. 25, 1964 w. M. JEFFERS 3,145,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 ts-Sheet 8 FIGB 356 INVENTOR CLEARANCE TWO INTERVAL-POSITION s WALTER M. JEFFERS,

HIS ATTORNEY.

Aug. 25, 1964 w. M. JEFFERS 3,143,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4. 1960 20 Sheets-Sheet 9 FIGS - 232 m I INVENTORZ PROCEED THREE m'mm. lNTERVAL- POSITION 7 WALTER M. JEFFERS,

HIS ATTORNEY.

1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER 'Filed Aug. 4, 1960 I t 10 FIG. l0.

3 INVENTOR:

PROCEED THREE EXTENSION INTERVAL-POSITTON a WALTER M. JEFFERS,

JMW

HIS ATTORNEY.

Allg- 1954 w. M. JEFFERS I 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 20 Sheets-Sheet 11 FIGJI.

340 232 44 l N V E N T0 R PROCEED THREE EXTENSION INTERVAL o'ETEcToR WALTER M. J E F F E RS ONE ACTUATED-RUNNING FROM posmou a T0 9 BY -M Maw HIS ATTORNEY.

1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 2o Sheets-Sheet 12 FIG.|2.

INVENTORI I CLEARANCE THREE INTERVAL- POSITION s WALTER M, JEFFERS AMW HIS ATTORNEY.

Aug. 25, 1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4. 1960 20 Sheets-Sheet l5 FIG.|3.

INVENTOR: PROCEED ONE INITIAL INTERVAL-POSITION I WALTER M. JEFFERS,

gydwnuvw HIS ATTORNEY.

1954 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 20 Sheets-Sheet 14 F|G.l4.

INV EN TOR PROCEED ONE EXTENSION INTERVAL-POSITION 2 WALTER M. JEFFERS DETECTOR om: commuousur ACTUATED, DETECTOR THREE MOMENTAR'LY ACTUATED .0 MM BY Iv I HIS ATTORNEY.

1954 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 20 Sheets-Sheet 15 230 no INVENTOR:

PROCEED om: EXTENSION INTERVAL-POSITION 2- WALTER M. JEFFERS MAXIMUN TIMER ENERGIZED 'QMW HIS ATTORNEY.

5, 1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 20 Sheets-Sheet 16 F |G.l6.

INVENTOR:

CLEARANCE ONE INTERVAL-POSITION 3 WALTER JEFFERSI BIWW HIS ATTORNEY.

Aug. 25, 1964 W. M. JEFFERS TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 MOVEMENT TWO SKIP CIRCUIT ENERGIZED- RUNNING FROM POSITION 3 TO 4 2O Sheets-Sheet 17 FIG. l7.

INVENTORZ WALTER M. JEFFERS AMW HIS ATTORNEY.

1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 20 Sheets-Sheet 18 FIG.|8.

| 366 230 232 INVENTORZ llO 'PROCEED THREE (MOVEMENT TWO SKIPPED)- WALTER M. JEFFERS RUNNING FROM POSITION 4 To 7 Q'MW HIS ATTORNEY.

1964 w. M. JEFFERS 3,146,421

TRAFFIC SIGNAL CONTROLLER Filed Aug. 4, 1960 2O Sheets-Sheet 20 E r: N o u a a 2 2 3 INVENTOR.

WALTER M. JEFFERS HIS ATTORNEY. 

